# Mario Orsi

Senior Lecturer, University of the West of England (UWE Bristol).

## Mario's activity

#### Mario Orsi on Confidence interval - NHS satisfaction 1 month, 2 weeks ago

Saved a checkpoint:

before se variable error

#### Mario Orsi on Inference for proportions - true/false 5 months, 2 weeks ago

Gave some feedback: Ready to use

#### Mario Orsi on Two sample t-test: question order and scores 1 year ago

Saved a checkpoint:

Adjusting t critical values to DOFs = 9 (previously DOFs= 18 which was incorrect)

#### Mario Orsi on CorrelationInference-Couples 1 year, 2 months ago

Saved a checkpoint:

Before relaxing boundaries for part D

#### Mario Orsi published Two sample t-test: question order and scores 1 year, 3 months ago

#### Mario Orsi on Two sample t-test: question order and scores 1 year, 3 months ago

Gave some feedback: Ready to use

#### Mario Orsi on Two sample t-test: question order and scores 1 year, 3 months ago

Saved a checkpoint:

Fixed "sum" error.

#### Mario Orsi on Two sample t-test: question order and scores 1 year, 3 months ago

Saved a checkpoint:

Removing use of pooled variance, taking a more conservative approach that it is not known whether the population standard deviations are nearly equal (which is assumed when pooling variances).

#### Mario Orsi published ANOVA (one-way): alcohol effect 1 year, 3 months ago

#### Mario Orsi on ANOVA (one-way): alcohol effect 1 year, 3 months ago

Gave some feedback: Ready to use